A tall smoke stack and boarded-up buildings are all that's left of the pioneering plant.

Twenty churches beautifully painted by 19th-century Czech and German immigrants in Texas.

Human remains in varying states of decay are strewn about this Texas State facility for scientific study.

A popular swimming hole that hides one of America's most deadly diving spots.

This beautiful grotto is one of those places where you can't believe you're just outside Austin.

An emerald-green grotto just a short trip from Austin.

Victims of the Webster Massacre are buried here in a mass grave.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

A medieval castle in the middle of rural Texas.

A 2,500-pound wooden nickel makes this woodworking museum easy to spot from the road.

The only museum dedicated to the history of the "Magic Lantern," a medieval slide projector.

A priceless work of art created by the saint's own blood sister hangs in a San Antonio basilica.

Amazingly detailed marble cinerary urns that once held the cremains of Roman elite.

An abandoned, decaying sculpture garden built by an eccentric physician in the 1920s now looks more like a forgotten cemetery.

The 40-foot-tall votive candle is the largest of its kind.

Three hundred years of preserved Spanish colonial history in San Antonio.

A National Historic Landmark with a scenic clock tower and park filled with deer and peacocks, plus a military museum.

This small stone building, the final work of a renowned artist, offers a peaceful environment with radiant, colorful glass windows .

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

The summer home of the largest colony of bats in the world.

Austin’s local mountain isn’t really a mountain at all.

This massive oak tree has ties to the first native tribes of the region and the founders of Texas.

Roadside Americana, fairy tale characters, and Austin quirkiness come together at this magical course in the heart of Texas' capital city.

Life's work of sculptor Elisabet Ney remains preserved in her last studio.